21479796

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15299}}^1$

素因数の和:15325

約数の個数: 48

約数和(自身を含む): 59976000

約数和(自身を除く): 38496204

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15299, 30598, 45897, 61196, 91794, 137691, 183588, 198887, 275382, 397774, 413073, 550764, 596661, 795548, 826146, 1193322, 1652292, 1789983, 2386644, 3579966, 5369949, 7159932, 10739898, 21479796]

約数ペア:

[(1, 21479796), (2, 10739898), (3, 7159932), (4, 5369949), (6, 3579966), (9, 2386644), (12, 1789983), (13, 1652292), (18, 1193322), (26, 826146), (27, 795548), (36, 596661), (39, 550764), (52, 413073), (54, 397774), (78, 275382), (108, 198887), (117, 183588), (156, 137691), (234, 91794), (351, 61196), (468, 45897), (702, 30598), (1404, 15299)]